Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Increasing application Imperial smelting process
Full title - Increasing application of the Imperial Smelting Process. 8 pages with 6 black & white photos. Contains developments and improvements of the process. Reprinted from Mining Magazine, May 1964.
Pwnc
Diwydiant
Rhif yr Eitem
1992.338
Creu/Cynhyrchu
Mining Journal Ltd.
Dyddiad: 05/1964
Derbyniad
Collected officially, 14/12/1992
Mesuriadau
Meithder
(mm): 295
Lled
(mm): 220
Deunydd
papur
Lleoliad
In store
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